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A diving watch, also commonly referred to as a diver's or dive watch, is a watch designed for underwater diving that features, as a minimum, a water resistance greater than 1.1 MPa (11 atm), the equivalent of 100 m (330 ft). The typical diver's watch will have a water resistance of around 200 to 300 m (660 to 980 ft), though modern technology ...
Citizen Promaster Automatic NY0040-09EE diving watch. In 1959, Citizen launched the Parawater – Japan's first fully-waterproof wristwatch. It became the forerunner to Citizen's range of dive watches, subsequently (1982) called the Promaster Marine range. Also in 1982, Citizen launched the 1300m Professional Diver's watch – the world's most ...
SUEX – Diver propulsion vehicles, underwater navigation systems. [133] Suunto – Finnish manufacturer of compasses, dive computers and sports watches – Dive computers, compasses; Swindell (diving helmet), also known as Advanced Diving Equipment Company – Free-flow open circuit air helmets. [134] The helmet was invented by George Swindell
Nav finder and underwater compass – basic underwater navigation tools Suunto SK-7 diving compass in aftermarket wrist mount with bungee straps. Diver navigation, termed "underwater navigation" by scuba divers, [1] is a set of techniques—including observing natural features, the use of a compass, and surface observations—that divers use to navigate underwater.
The Fenzy ABLJ provided a proof of concept for buoyancy compensation, however the large-volume ring behind the diver's neck caused the jacket to ride up against the diver's throat, [citation needed] despite the crotch strap. In 1968, dive shop owners Joe Schuch and Jack Schammel developed a more comfortable buoyancy compensator vest that ...
Navy divers testing the built-in breathing masks inside a recompression chamber Side view of BIBS mask supported by straps. A built-in breathing system is a source of breathing gas installed in a confined space where an alternative to the ambient gas may be required for medical treatment, emergency use, or to minimise a hazard.
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